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zeekayandHanzo Dev
9f54b4984a
github.com/luxfi/utils is now github.com/luxfi/util. Import paths and the module requirement follow the rename, and the luxUtils alias becomes luxUtil. The old module stays as an indirect requirement that published dependencies still pull in. Co-authored-by: Hanzo Dev <[email protected]>
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
// Copyright (C) 2019-2025, Lux Industries, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package predicate
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import (
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"bytes"
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"testing"
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"github.com/luxfi/util"
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"github.com/stretchr/testify/require"
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)
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func testPackPredicate(t testing.TB, b []byte) {
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packedPredicate := PackPredicate(b)
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unpackedPredicated, err := UnpackPredicate(packedPredicate)
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require.NoError(t, err)
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require.Equal(t, b, unpackedPredicated)
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}
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func FuzzPackPredicate(f *testing.F) {
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for i := 0; i < 100; i++ {
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f.Add(utils.RandomBytes(i))
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}
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f.Fuzz(func(t *testing.T, b []byte) {
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testPackPredicate(t, b)
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})
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}
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func TestUnpackInvalidPredicate(t *testing.T) {
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require := require.New(t)
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// Predicate encoding requires a 0xff delimiter byte followed by padding of all zeroes, so any other
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// excess padding should invalidate the predicate.
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paddingCases := make([][]byte, 0, 200)
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for i := 1; i < 100; i++ {
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paddingCases = append(paddingCases, bytes.Repeat([]byte{0xee}, i))
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paddingCases = append(paddingCases, make([]byte, i))
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}
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for _, l := range []int{0, 1, 31, 32, 33, 63, 64, 65} {
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validPredicate := PackPredicate(utils.RandomBytes(l))
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for _, padding := range paddingCases {
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invalidPredicate := append(validPredicate, padding...)
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_, err := UnpackPredicate(invalidPredicate)
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require.Error(err, "Predicate length %d, Padding length %d (0x%x)", len(validPredicate), len(padding), invalidPredicate)
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}
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}
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}
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